A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-01-485-0410
NSN 6240-00-912-5186
NSN 5950-01-491-6286
NSN 5905-01-318-6046
NSN 6105-01-462-8351
NSN 6320-01-466-4175
NSN 6645-01-044-2602
NSN 5985-01-529-4877
NSN 6220-01-298-2593
NSN 5920-01-253-2173
NSN 6110-00-518-2998
NSN 6135-01-463-2445